Computer Flashcards
_____ ____ is the essence of computing
Information Processing
The word computer has derived from ____ and what it is_____
Compute
means ‘to calculate’
Who developed the first mechanical calculator in ______, which is called ______
Blaise Pascal
1642AD
Pascalene
British scientist _______ _______ was the first person to conceive an _________________ in ______ and what was he called?
Charles Babbage
Automatic calculator or computer
1833
Father of Modern Computer
The credit of developing the first computer program goes to
Lady Ada Augusta, a student of Babbage
_______prepared an _______in 1880 which was automatically functional with the help of ______ _______
Herman Holorith
Electronic Tabulating Machine
Punch Card
______ developed the frist Mechanical Computer _____– in 1937
Howard Ekin
Mark I
1937
________ and ___________ Invented the world’s first electronic computer ______ in 1946 and paved the way for first revolution in the field of calculating machine or computer. ________ or ________ was used as the switch in the computer.
JP Ekart
John Moschley
ENIAC-i
Electronic Valve
Vacuum tube
Full form of EDVAC
electronic Descrete Variable computer
________ Invented ______ in 1951, in which he used Stored Program. The credit of using _____________ goes to him. Indeed, he contributed the most in the development of computer and thus gave a right direction to _____________
John Van Newman
EDVAC
Binary System
Computer Revolution (second revolution)
Generation I: 1940-52
Electronic Valve Vaccum Tube
EDSAC, EDVAC, UNIVAC
Generation II: 1952-64
Transitor
IBM-700, IBM-1401, IBM-1620, CDC–1640, CDC-3600, ATLAS, ICL-1901
Generation III: 1964-71
Integrated Circuit
IBM-360, IBM-370, NCR-395, CDC-1700, ICL-2930
Generation IV: 1971-
Largely Integrated Circuit
APPLE, DCM
Generation V:
Optical fibre, Artifical Intelligence
Types of Computers
- Micro Computer: PC
- Mini computer: 5 to 10 times powerful than Micro
- MainFrame computer: More than 100 people can work
- Super Computer: High
- Quantum Computer: Q-Bit
When is Computer Literacy day?
December 2nd
India has announced New Computer Policy on
1984
First computer made in India is __________ which was manufactured by _______________.
Siddharth
Electronics Corporation of India
First computer of India was installed in the _____________ on ________
Main Post Office of Bangalore
August 16, 1986
First Pollution free computerized Petrol Pump of India is in
Mumbai
First Computer University in Private Sector in India is
Rajeev Gandhi computer University
Which is the Silicon Valley of India
Bengaluru
First Indian Newspaper to be available online
The Hindu
First Indian Political Party to create its website
BJP
The three main types of computers are
Digital
Analog
Hybrid
First super computer of the wold is ______ developed by whom_______and where
CRAY K-1-S
Cray K Company
USA
________is a super computer which had defeated World Chess Champion _____________. The super computer is able to do the work equivalent to the work of __ computers and can think ______ steps of chess in 1 second.
Deep Blue
Garry Kasparov
32
20crore
CRAY KIS
CRAY K Research. co. usa
Deep Blue
IBM.co.USA
Blue Gene
IBM.co.USA
COSMOS
Cambridge University, UK
First Electronic Digital Computer of the world is
ENIAC
Super computers use
LINUX
________ is used to connect all the universities
USENET
First book on Personal Computer was wirtten by
Ted Nelson
The Book of Ted Nelson ______________, won _____________
Soul of New Machine
Pulitzer Prize
First magazine on Computer is
Computer and Automation
First home computer is
Comodor VIC/20
First Practical Digital Computer is
UNIVAC
___________is the first programming language
FORTRAN
________ is the language of the _____ gen of computer
PROLOG
5th
_______ developed the IC chips
JS KILBIL
A computer error is known as the
BUG
C-DAC was established where and when?
Centre for development and advanced computing
Pune 1988
Super computers developed in India
Name and Manufacturer
FLO SOLVER- NAL, Bangalore
PACE - DRDO
PARAM-10000 : c-DAD,PUNE
CHIPP-16 : c-dot, Bangalore
MULTIMICRO: IIS, Bangalore
MACH: IIT, Bombay
Super Computer _______, having a capacity of 1 billion calculations per second, was made by the scientists of ______ of ____ on ______. The main credit for the development of the super computer goes to ______________.
PARAM-10000
C-DAC of Pune on March 28, 1998
Dr. Vijay P Bhaskar, Executive director of C-DAC pune
National Aeroonautics Laboratories, Bangalore was the first in India to develop a Super computer named
FLO SOLVER
_______ printers are the fastest printers
Laser printers
IBM( international Business Machine) is ________ company
American
Computer virus is a man made digital parasite, which corrupts the file and known as
File corrupter
______ is a device which connects the computers and works based on telephone lines
Modem
_______ was a technical problem, associated with the calendar known as ______
Y-2 K
Millenium bug
The development of computer started since
1955
Indian Institute of Science, ________ has developed__________
Bangalore
Simputer, which is a small palm sized touch screen computer
First computerarium in India is in
Bangalore
_____________________ has been declared the first fully computerised village of India
Vellanad of Thiruvananthuram district in Kerela
__________________, creator and coordinator of the Unix like Operating system. Where was he born?
LINUS BENEDICT TORVALDS
Helsinki, Finland on December 28, 1969
When was the first version of LINUX released?
September 17,1991
Two main parts of computer are
Hardware, Software
high is represented by ____ and low is represented by_____
1
0
Computers always work with ____-
bits
Computer scientists use combinations of _______ taken together to represent various ______
8 bits
Symbols
Because every bit can take one of 2 possible values, the total number of combinations possible, using 8 bits, the computer can represent _____ different symbols
256
How many bits are there in a byte
8
Higher units are expressible in multiple of
2 to the power 3
What is a nibble?
4 bits
Units of data measurement
Nibble
Byte
Kilo
Mega
Giga
Tera
Peta
How many bits make a byte
8
The basic elements of computers that can signal a 1 or 0 are called
Flip-Flops
Modern computers use a very tiny set of flip-flops known as a
Register
Silicon why is it used?
Poor conductor of electricity
_________ _____ are components that generate a 1 or a 0 depending on the input
Logic Gates
What are the 3 basic logic gates
AND
OR
NOT
What are the 3 basic units of computer
Central Processing Unit
The memory Unit
The Input/Output unit
The CPU can be divided into
- The Arithmetic and Logical Unit
- Control Unit
- Registers
What are the main attributes of CPU?
- Data width
- Address Range
- Clock speed
________ refers to the number of bits of data that can be manipulated within the CPU at one given time
Data Width
The data width of the computer can also be called as
Word size
Computers have data width ranging form_____ to _____
8 to 64 bits
The amount of memory that can be directly read or written by the CPU is called
Address Range
The speed of the CPU is called
clock speed
The ticks per second or the internal clock is measured in
Megahertz or Gigahertz
What are the 2 kinds of memory unit
Primary and Secondary
________ stores all instructions and data for the CPU
Memory unit
Primary memory is also called
Working memory, main memory
RAM
is a volatile primary is memory
ROM
non volatile memory, cannot be altered
PROM stands for? and what is it?
The Programmable Read only memory, however, has the option of being programmed, ie. the manufacturer of the computer may choose to load a program designed by his company into this PROM, and then the computer would use this PROM like any other ROM
Is secondary memory, volatile or not
non-volatile
CDs are a _____ medium of storage
optical
CD is read using a
laser beam
OMR full form
Optical Mark Reader
MICR full form
Magnetic Ink Character Reader
VDU full form
Visual Display Unit
Threee popular verisons of printer are
Dot matrix
Ink-jet
Laser printers
Laser printer, uses a _____ to ______ the characters on the paper
laser beam
Burn
Each language has its own grammer called
SYNTAX
Examples of Low level language are
Assembly language, Machine language
What is the special program that converts all instructions into the binary format
ASSEMBLER
Examples of High level languages are
C, C++, JAVA, Pascal, Fortran etc
_________ controls the computer hardware parts and make them operational
Software
What are the two kinds of software programmes
Application programs and System’s programs